| Billy Melvin | |
| Fullname: | William John Melvin |
| Birth Date: | 22 June 1977 |
| Birth Place: | Glasgow, Scotland |
| Position: | Midfielder |
| Years1: | 1995–1998 |
| Clubs1: | Clydebank |
| Years2: | 1997–2000 |
| Clubs2: | Dumbarton[1] |
| Caps1: | 18 |
| Caps2: | 47 |
| Goals1: | 0 |
| Goals2: | 5 |
William John Melvin (born 22 June 1977) is a former Scottish footballer who played for Clydebank and Dumbarton.[2]